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💧 Freshwater Endangered 🌡️ Tropical

Mexican rivulus

Millerichthys robustus Miller & Hubbs, 1974
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Max Length
4 cm
Max Weight
—
Lifespan
—
Trophic Level
3.1
Depth
—
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
—
Depth Zone
demersal

📖 Overview

Overview information for Mexican rivulus is currently being compiled by our editorial team.

Scientific Name
Millerichthys robustus
Authority
Miller & Hubbs, 1974
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Millerichthys
Millerichthys
Species
Mexican rivulus
Millerichthys robustus

🐟 Physical Description

Physical description for Mexican rivulus is currently being compiled.

🌀 Behaviour

Behavioural data for Mexican rivulus is currently being reviewed.

🦐 Diet

Diet information for Mexican rivulus is currently being compiled.

🥚 Reproduction

Reproduction data for Mexican rivulus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory . Tropical Central America: Papaloapan and Coatzacoalcos river basins in Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.1 (TL)
Max TL
4cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Miller & Hubbs, 1974

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